Are you planning your holiday at our campsite on the Ile de Ré and dreaming of spotting a giant of the sea from the beach? It’s a question we get asked a lot, and it deserves an honest answer. Around the island, the waters of the straits are shallow: they’re not home to great whales. Marine life is very much alive here, though, with dolphins and some remarkable wildlife. Before you set off to explore the Ile de Ré, here’s what you can genuinely hope to see.
The essentials
- No, you won’t see great whales in the shallow straits surrounding the Ile de Ré.
- Yes, cetaceans do visit the area: bottlenose dolphins in the Charente straits, harbour porpoises near the coast, and common dolphins further out to sea.
- The best sightings happen at sea, during the fine season (April to October), in calm weather.
- The Lilleau des Niges nature reserve (LPO) offers exceptional wildlife, especially birds.
- Always watch from a distance: never approach or feed a wild animal.
Can you really see whales?
Let’s be clear: don’t expect a great whale to surface in front of the beach. The Pertuis Breton and Pertuis d’Antioche, the straits bordering the Ile de Ré, are shallow waters. Large cetaceans, such as the fin whale, live further out to sea, in the depths of the Bay of Biscay, far from the coast.
There are exceptions. In 2018, a young minke whale, around 4 metres long, was observed for several hours in shallow water, almost under the island’s bridge. Events like this remain very rare and unpredictable, though. In short: seeing a whale here is an exceptional stroke of luck, not something to plan your holiday around.
Which marine animals can you spot around the Ile de Ré?
The good news is that the local marine wildlife is rich. The bottlenose dolphin (Tursiops truncatus) is regularly seen in the Charente straits, sometimes in groups of several dozen: in September 2025, naturalists from Ré Nature Environnement spotted, in a single day, two groups of around thirty bottlenose dolphins off the Islattes lighthouse, and around twenty more in the Pertuis d’Antioche. Here are the species you might come across, and how often.
| Species | Where & when to see it | Chance of spotting it |
|---|---|---|
| Bottlenose dolphin | Charente straits and further out to sea, mostly from spring to autumn | Possible on a boat trip |
| Harbour porpoise | Coastal waters, mostly in the cold season | Rare and elusive |
| Common dolphin | Further out, in the Bay of Biscay | Low from the coast |
| Minke whale | Further out to sea, spring and summer | Very rare |
| Grey seal | Coasts, estuaries and sandbanks | Very rare |
| Seabirds | Lilleau des Niges reserve, autumn to spring migrations | High |
Boat trips and responsible wildlife watching
To give yourself the best chance, your best bet is to head out to sea. Nature cruises are organised along the Atlantic coast, and the outings most dedicated to cetacean watching tend to leave from further south, towards the Bay of Biscay. From La Rochelle and the island itself, sightings tend to be more a matter of chance: from a boat during a crossing, from a coastal path, or in the course of a walk. Trips mostly run during the fine season, from April to October, and in good weather, since wind and swell determine whether boats can go out. Keep in mind that no sighting is ever guaranteed: it all depends on whether the animals happen to be around on the day.
On land, the Lilleau des Niges nature reserve, run by the LPO, is a safe bet. Across 220 hectares of former salt marshes on the Fier d’Ars, more than 300 bird species have been recorded. The observation trails are freely accessible all year round: an ideal way to round off your discovery of the island’s nature.
One golden rule applies: watch without disturbing. Never try to approach, chase or feed a dolphin, and slow right down if a group is nearby. If you come across a stranded or distressed animal, don’t touch it and alert the Pelagis observatory, which coordinates the national stranding network.
Watching a dolphin in the wild is a privilege you have to earn: the finest picture is the one you take without ever forcing the encounter.
Pierre Schmitz
Open from April to the end of September, our family-friendly campsite in La Couarde-sur-Mer is set just 600 metres from the beach, with a heated, covered water park. It’s the ideal base for exploring the island, heading out on nature outings, and trying your luck at sea. Book your stay and keep your eyes on the horizon.
